Chainsaw Operator's Manual: The Safe Use of Chainsaws

Contents......Page 3
Introduction......Page 5
Level 1 Cross-cutting (Basic competence for safe chainsaw operation – harvest trees manually)......Page 7
Professional attitude......Page 8
Risk assessment for chainsaw users......Page 9
Dangerous trees......Page 11
Occupational hazards......Page 12
Personal protection equipment......Page 13
Basic safety......Page 14
Starting a chainsaw......Page 17
Kick-back......Page 19
Safety warning signs used throughout the NSW timber industry......Page 23
Power head maintenance......Page 24
Daily service......Page 25
Fortnightly service......Page 26
Guide bar maintenance......Page 27
Chainsaw power head trouble-shooting chart......Page 28
Sprockets......Page 30
Guide bar......Page 32
Cutters......Page 34
Reduced vibration chain......Page 36
Sawchain sharpening......Page 37
Depth gauge setting......Page 38
Chain tension......Page 39
Hand filing......Page 40
Sawchain design......Page 43
Basic principles of cross-cutting......Page 45
Bottom bind......Page 46
Side bind......Page 47
Log trap......Page 48
Wind blow......Page 49
Limbing......Page 50
Limbing small to medium-sized conifers......Page 51
Limbing large trees......Page 52
Basic principles......Page 53
Level 2 Simple tree felling (Intermediate competence of safe chainsaw operation – harvest trees manually)......Page 55
Theory of felling......Page 56
Considerations before felling each tree......Page 57
Clean around base of tree......Page 59
Prepare escape route......Page 60
Scarf......Page 62
Features of a scarf......Page 63
Technique for cutting the scarf......Page 64
90° scarf......Page 65
Line of scarf is horizontal......Page 66
Back cut......Page 67
Holding wood (hingewood)......Page 68
Using a wedge......Page 69
Level 3 Problem tree felling (Advanced competence of safe chainsaw operation – harvest trees manually)......Page 71
Uneven holding wood with wedges......Page 72
Uneven holding wood with plunge side cuts......Page 73
Technique No.2......Page 74
Small tree with the use of a wedge or felling bar......Page 75
Tree diameter over twice guide bar length......Page 76
Double leader......Page 77
Snags (stags)......Page 78
Felling defective trees......Page 79
Wind blow......Page 80
Machine assisted manual tree felling......Page 81
Line pull......Page 82
Line guide......Page 83
Pushing tree over with a crawler tractor – dozer blade......Page 84
Tree jacking......Page 85
FPIC2007A Maintain chainsaws......Page 88
FPIH2001A Trim and cross-cut felled trees – Production......Page 89
FPIH2003A Harvest trees manually – Basic......Page 93
FPIH3020A Harvest trees manually – Intermediate......Page 97
FPIH3041A Harvest trees manually – Advanced......Page 101
Additional reference material......Page 105